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Ele Willoughby@minouette.bsky.social |
Happy birthday to American #astronomer Henrietta Swan Leavitt (1868-1921) who set the scale of our Universe. 🐡🧪🔭👩🏻🔬#histsci In her day, women scientists were regularly hired to do menial chores. She was hired to count images on photographic plates as a "computer". In studying these plates, in 1908 🧵1/
3 replies 85 reposts 196 likes
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Ele Willoughby
@minouette.bsky.social
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she was able to deduce a ground-breaking theory, which allowed Hubble's later insight about the age &expansion of the universe. Her period-luminosity relation for Cepheid variable stars radically changed modern astronomy, an accomplishment for which she received little recognition during her 🧵2:
1 replies 4 reposts 48 likes
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Mirta Illustrator
@mirtaiki.bsky.social
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I saw it was printmaking! So difficult to fo portraits in that media!
1 replies 0 reposts 1 likes
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Mirta Illustrator
@mirtaiki.bsky.social
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Wow, so interesting, I love how you did the portrait
0 replies 0 reposts 4 likes